Radially polarized 3 kW beam from a CO2 laser with an intracavity resonant grating mirror |
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| Authors: | Ahmed Marwan Abdou Schulz Joachim Voss Andreas Parriaux Olivier Pommier Jean-Claude Graf Thomas |
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| Institution: | Universit?t Stuttgart, Institut für Strahlwerkzeuge (IFSW), Pfaffenwaldring 43, 70569 Stuttgart, Germany. abdou.ahmed@ifsw.uni-stuttgart.de |
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| Abstract: | A 3 kW radially polarized beam is generated from a CO(2) laser by means of a resonant grating mirror. The design results and spectral characterization of a broadband polarizing mirror are presented as well as the mirror's operation in a CO(2) laser resonator. In a long-term experiment a radially polarized beam with a power of 2.7 kW was observed for several hours, proving the high stability of this polarizing scheme. |
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